Finding the Fourth Proportional to 138,548.74, 207,823.17 and 33,367.67
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Solution
The fourth proportional to 138,548.74, 207,823.17 and 33,367.67 is: 50,051.52
Step by Step Solution
- Step 1: Write the proportion equation
138,548.74 : 207,823.17 = 33,367.67 : x - Step 2: Convert to fraction form
138,548.74/207,823.17 = 33,367.67/x - Step 3: Cross multiply
138,548.74x = 207,823.17 × 33,367.67 - Step 4: Simplify right side
138,548.74x = 6,934,574,954.91 - Step 5: Solve for x
x = 6,934,574,954.91/138,548.74 - Step 6: Final answer
x = 50,051.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.